class BaseModel {
  constructor(data,message){
    if (typeof data === 'string'){
      this.message = data
      data = null
      message = null
    }
    if (data){
      this.data = data
    }
    if (message){
      this.message = message
    }
  }
}
class SuccessModel extends BaseModel{
  constructor(data,message){
    super(data,message)
    this.errno = 0
  }
}
class ErrorModel extends BaseModel{
  constructor(data,message){
    super(data,message)
    this.errno = -1
  }
}
module.exports = {
  SuccessModel,
  ErrorModel
}